Posey/TIDI Products-6550 Incontinence Sheath Holders 5" (L) x 1.25" (W).Incontinence Sheath Holders The TIDI Posey Incontinence Sheath Holders (12 Box) (#6550) is designed for use with male patients who require external urinary catheters for care. These holders secure the catheters in place via hook and loop fasteners, and are one size only measuring 5" (L) x 1. 25" (W). Material Dimension UOM Description Polyurethane Foam 5in x 1. 25in Each Hook and Loop urinary drainage sheath securement device